OS X: Clash when generating libqtwebenginecoreapi.a

Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar cq libqtwebenginecoreapi.a .obj/release/qwebenginecookiestoreclient.o .obj/release/qwebengineurlrequestinfo.o .obj/release/qwebengineurlrequestjob.o .obj/release/qwebengineurlschemehandler.o .obj/release/moc_qwebenginecookiestoreclient.o .obj/release/moc_qwebengineurlrequestinterceptor.o .obj/release/moc_qwebengineurlrequestjob.o .obj/release/moc_qwebengineurlschemehandler.o
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib -s libqtwebenginecoreapi.a
rm -f Debug/libqtwebenginecoreapi.a
mv -f libqtwebenginecoreapi.a Debug/ 
rm -f Release/libqtwebenginecoreapi.a
mv -f libqtwebenginecoreapi.a Release/ 
mv: rename libqtwebenginecoreapi.a to Release/libqtwebenginecoreapi.a: No such file or directory
make[5]: [Release/libqtwebenginecoreapi.a] Error 1 (ignored)